/* ===== Design Tokens ===== */
:root {
  --bg: #07090f;
  --card: rgba(255,255,255,.035);
  --card-solid: #0e1420;
  --ink: #eef2ff;
  --ink-2: #94a3b8;
  --muted: #4b5675;

  --accent: #6366f1;
  --accent-2: #3b82f6;
  --accent-light: rgba(99,102,241,.12);
  --accent-text: #a5b4fc;

  --good: #34d399;
  --good-bg: rgba(52,211,153,.1);
  --warn: #fbbf24;
  --warn-bg: rgba(251,191,36,.1);
  --bad: #475569;
  --danger: #f87171;
  --danger-bg: rgba(248,113,113,.1);

  --border: rgba(255,255,255,.08);
  --border-bright: rgba(255,255,255,.14);
  --border-focus: rgba(99,102,241,.5);

  --shadow-sm: 0 2px 8px rgba(0,0,0,.4);
  --shadow: 0 8px 32px rgba(0,0,0,.5), 0 2px 8px rgba(0,0,0,.3);
  --shadow-lg: 0 16px 56px rgba(0,0,0,.6), 0 4px 16px rgba(0,0,0,.4);
  --shadow-xl: 0 32px 96px rgba(0,0,0,.75), 0 8px 32px rgba(0,0,0,.5);

  --r-sm: 10px;
  --r: 18px;
  --r-lg: 26px;
  --r-pill: 999px;

  --ease: cubic-bezier(.4,0,.2,1);
  --dur: 170ms;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', ui-rounded, system-ui, -apple-system, sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(99,102,241,.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(59,130,246,.06) 0%, transparent 60%);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* dot grid texture */
body::after {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image: radial-gradient(rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 26px 26px;
}
header, main, footer, dialog, .welcome { position: relative; z-index: 1; }

/* scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.2); }

/* checkboxes */
input[type="checkbox"] { accent-color: var(--accent); cursor: pointer; }

/* ===== Utilities ===== */
.subtle { font-weight: 500; opacity: .45; }
.muted { color: var(--muted); font-size: .875rem; }
.hidden { display: none !important; }

/* ===== Welcome ===== */
.welcome {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at 30% 20%, rgba(99,102,241,.18) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(59,130,246,.14) 0%, transparent 50%),
              #07090f;
  overflow: hidden; z-index: 20;
}

/* Ambient orbs */
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(90px); pointer-events: none; will-change: transform;
}
.orb-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(99,102,241,.3) 0%, transparent 70%);
  top: -280px; left: -200px;
  animation: orb1 14s ease-in-out infinite;
}
.orb-2 {
  width: 550px; height: 550px;
  background: radial-gradient(circle, rgba(59,130,246,.22) 0%, transparent 70%);
  bottom: -200px; right: -120px;
  animation: orb2 18s ease-in-out infinite;
}
.orb-3 {
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(139,92,246,.18) 0%, transparent 70%);
  top: 45%; left: 55%;
  animation: orb3 11s ease-in-out infinite;
}
@keyframes orb1 { 0%,100%{transform:translate(0,0) scale(1)} 50%{transform:translate(50px,35px) scale(1.06)} }
@keyframes orb2 { 0%,100%{transform:translate(0,0) scale(1)} 50%{transform:translate(-35px,-25px) scale(1.09)} }
@keyframes orb3 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-25px,22px)} }

.welcome-card {
  width: min(680px, 95vw);
  background: rgba(255,255,255,.04);
  backdrop-filter: blur(48px) saturate(180%);
  -webkit-backdrop-filter: blur(48px) saturate(180%);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-xl),
              inset 0 1px 0 rgba(255,255,255,.1),
              0 0 80px rgba(99,102,241,.12);
  padding: 38px 38px 28px;
  animation: cardIn .5s var(--ease);
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(28px) scale(.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.welcome-card h1 {
  margin: 0 0 .3rem;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800; letter-spacing: -.035em;
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-text) 55%, #93c5fd 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.welcome-card .muted { margin: 0 0 1.5rem; color: #64748b; }

/* Tabs */
.tabs {
  display: flex; gap: 3px; margin-bottom: 1.1rem;
  padding: 4px; background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-pill); width: fit-content;
}
.tab {
  border: none; background: transparent; color: var(--muted);
  padding: .38rem 1.1rem; border-radius: var(--r-pill);
  cursor: pointer; font-weight: 600; font-size: .875rem; font-family: inherit;
  transition: all var(--dur) var(--ease);
}
.tab.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 2px 14px rgba(99,102,241,.45);
}
.tab:hover:not(.active) { color: var(--ink); background: rgba(255,255,255,.07); }

.tab-panels {
  background: rgba(0,0,0,.3);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--r); padding: 18px;
}

.account-list { display: flex; flex-direction: column; gap: 8px; }
.account-card {
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px; padding: .75rem 1rem;
  transition: all var(--dur) var(--ease);
}
.account-card:hover {
  border-color: rgba(99,102,241,.35);
  background: rgba(99,102,241,.07);
  transform: translateX(4px);
}
.account-actions { display: flex; gap: 6px; }

.welcome-consent { margin-top: 1rem; }
.field.checkbox { display: flex; align-items: center; gap: .6rem; cursor: pointer; }
.field.checkbox input { width: 16px; height: 16px; }

/* ===== App Header ===== */
.app-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px clamp(16px, 2.5vw, 36px);
  background: rgba(7,9,15,.88);
  backdrop-filter: blur(20px) saturate(200%);
  -webkit-backdrop-filter: blur(20px) saturate(200%);
  position: sticky; top: 0; z-index: 10;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.title-wrap h1 {
  margin: 0; font-size: clamp(1rem, 2vw, 1.45rem);
  font-weight: 800; letter-spacing: -.028em;
  background: linear-gradient(135deg, #fff 0%, var(--accent-text) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.today { font-size: .78rem; color: var(--muted); margin-top: .1rem; letter-spacing: .01em; }
.header-actions { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; }

/* ===== Badge & Pill ===== */
.badge {
  background: rgba(99,102,241,.12);
  color: var(--accent-text);
  border: 1px solid rgba(99,102,241,.22);
  padding: .22rem .75rem; border-radius: var(--r-pill);
  font-size: .78rem; font-weight: 600; letter-spacing: .01em;
}
.pill {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 2.4rem; padding: .1rem .5rem;
  border-radius: var(--r-pill);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 700; margin-left: .3rem; font-size: .88rem;
  box-shadow: 0 2px 10px rgba(99,102,241,.4);
}

/* ===== Buttons ===== */
.btn {
  appearance: none; border: none; cursor: pointer;
  border-radius: var(--r-pill);
  padding: .45rem .95rem;
  font-weight: 600; font-size: .85rem; font-family: inherit;
  letter-spacing: -.01em;
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(.95); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.btn.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #fff;
  box-shadow: 0 4px 18px rgba(99,102,241,.45), inset 0 1px 0 rgba(255,255,255,.18);
}
.btn.primary:hover {
  box-shadow: 0 8px 30px rgba(99,102,241,.6), inset 0 1px 0 rgba(255,255,255,.22);
}

.btn.ghost {
  background: rgba(255,255,255,.07);
  color: var(--ink-2);
  border: 1px solid rgba(255,255,255,.1);
}
.btn.ghost:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.18); }

.btn.danger {
  background: var(--danger-bg);
  color: #fca5a5;
  border: 1px solid rgba(248,113,113,.2);
}
.btn.danger:hover { background: rgba(248,113,113,.2); }

.btn.small { padding: .28rem .65rem; font-size: .78rem; }
.btn.big { padding: .82rem 1.6rem; font-size: .98rem; width: 100%; margin-top: .5rem; }

/* filter active */
.filter-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2)) !important;
  color: #fff !important; border-color: transparent !important;
  box-shadow: 0 2px 12px rgba(99,102,241,.4);
}

/* ===== Toggle ===== */
.toggle-row { display: flex; align-items: center; justify-content: space-between; margin: 12px 0; }
.toggle {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 72px; padding: .32rem .78rem;
  border-radius: var(--r-pill); font-weight: 700; font-size: .82rem; font-family: inherit;
  cursor: pointer; user-select: none; outline: none;
  border: 1.5px solid transparent;
  transition: all var(--dur) var(--ease);
}
.toggle:not(.off) {
  background: var(--good-bg); color: var(--good);
  border-color: rgba(52,211,153,.25);
  box-shadow: 0 0 18px rgba(52,211,153,.12);
}
.toggle.off {
  background: var(--danger-bg); color: var(--danger);
  border-color: rgba(248,113,113,.25);
}
.toggle:focus { border-color: var(--border-focus); }

/* ===== Layout ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(260px, 1fr));
  gap: 20px;
  padding: 24px clamp(16px, 2.5vw, 36px) 40px;
}

/* ===== Cards ===== */
.card {
  background: rgba(255,255,255,.03);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--r);
  border: 1px solid rgba(255,255,255,.08);
  padding: 22px;
  box-shadow: 0 4px 24px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.05);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card:hover {
  border-color: rgba(99,102,241,.22);
  box-shadow: 0 8px 48px rgba(0,0,0,.45), 0 0 0 1px rgba(99,102,241,.08), inset 0 1px 0 rgba(255,255,255,.06);
}
.card.focus {
  border-color: rgba(99,102,241,.28);
  box-shadow: 0 0 0 1px rgba(99,102,241,.14), 0 8px 48px rgba(0,0,0,.45), 0 0 32px rgba(99,102,241,.08);
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.card-header h2 { margin: 0; font-size: 1.02rem; font-weight: 700; letter-spacing: -.015em; }

/* ===== Behavior List ===== */
.behavior-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 7px;
  max-height: 420px; overflow: auto;
}
.beh-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: .72rem .95rem;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 12px; cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.beh-item:hover {
  background: rgba(99,102,241,.07);
  border-color: rgba(99,102,241,.28);
  transform: translateX(3px);
}
.beh-item strong { color: var(--ink); font-size: .88rem; }
.beh-actions { display: flex; gap: 5px; }
.icon-btn {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  color: var(--ink-2); padding: .22rem .5rem;
  border-radius: var(--r-pill); cursor: pointer; font-size: .88rem;
  transition: all var(--dur) var(--ease);
}
.icon-btn:hover {
  background: rgba(99,102,241,.15);
  border-color: rgba(99,102,241,.3);
  color: var(--accent-text);
  transform: scale(1.08);
}

/* ===== Fields / Inputs ===== */
.field { display: flex; flex-direction: column; margin: 10px 0; }
.field > label { font-weight: 600; margin-bottom: 6px; font-size: .875rem; color: var(--ink-2); }
.field > span { font-weight: 600; margin-bottom: 6px; font-size: .875rem; color: var(--ink-2); }
.field > input[type="text"],
.field > input[type="email"],
.field > input[type="password"] {
  padding: .65rem .95rem;
  background: rgba(255,255,255,.05);
  border: 1.5px solid rgba(255,255,255,.1);
  border-radius: 11px;
  font-size: .9rem; font-family: inherit;
  color: var(--ink); outline: none;
  transition: all var(--dur) var(--ease);
}
.field > input::placeholder { color: var(--muted); }
.field > input[type="text"]:focus,
.field > input[type="email"]:focus,
.field > input[type="password"]:focus {
  border-color: var(--accent);
  background: rgba(99,102,241,.07);
  box-shadow: 0 0 0 3.5px rgba(99,102,241,.18);
}

/* ===== Range Sliders ===== */
input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px; border-radius: 2px;
  background: rgba(255,255,255,.1);
  cursor: pointer; outline: none; margin: 6px 0;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: 2px solid rgba(255,255,255,.25);
  box-shadow: 0 2px 12px rgba(99,102,241,.55);
  cursor: pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.22);
  box-shadow: 0 4px 22px rgba(99,102,241,.75);
}
input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: 2px solid rgba(255,255,255,.25);
  box-shadow: 0 2px 12px rgba(99,102,241,.55);
  cursor: pointer;
}
input[type="range"]::-moz-range-track {
  background: rgba(255,255,255,.1); height: 4px; border-radius: 2px;
}

/* ===== Focus Banner ===== */
.focus-banner {
  background: rgba(251,191,36,.08);
  color: #fde68a;
  border-left: 3px solid var(--warn);
  border-radius: 10px; padding: .75rem 1rem;
  margin-bottom: .9rem; font-size: .875rem; line-height: 1.55;
}

/* ===== Suggestion Box ===== */
.suggestion {
  background: rgba(99,102,241,.08);
  border: 1px solid rgba(99,102,241,.2);
  border-radius: 12px; padding: .85rem 1rem;
  margin-top: .85rem; font-size: .875rem;
  color: var(--accent-text); line-height: 1.6;
  box-shadow: 0 0 24px rgba(99,102,241,.1);
}

/* ===== Graph ===== */
.legend { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: .8rem; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.dot.success { background: var(--good); box-shadow: 0 0 6px rgba(52,211,153,.6); }
.dot.borderline { background: var(--warn); box-shadow: 0 0 6px rgba(251,191,36,.5); }
.dot.fail { background: var(--bad); }
.graph-controls {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 14px; flex-wrap: wrap; font-size: .84rem; color: var(--ink-2);
}
.graph-controls label { display: flex; align-items: center; gap: 7px; }
.svg-wrap { display: flex; justify-content: center; align-items: center; }
#fbmGraph {
  background: rgba(0,0,0,.3) !important;
  border: 1px solid rgba(255,255,255,.08) !important;
  border-radius: 14px;
}
#fbmGraph text { fill: #4b5675 !important; }

.point-details {
  margin-top: 12px; padding: .75rem 1rem;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 12px;
}
.pd-title { font-weight: 700; margin-bottom: .2rem; font-size: .85rem; color: var(--ink); }
.pd-body { font-size: .875rem; color: var(--ink-2); }

/* ===== History Table ===== */
.table-wrap {
  position: relative; max-height: 260px; overflow: auto;
  border-radius: 12px; border: 1px solid rgba(255,255,255,.07);
}
.table { width: 100%; border-collapse: collapse; }
.table th {
  padding: .55rem .5rem;
  background: rgba(0,0,0,.45);
  font-size: .7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .07em;
  color: var(--muted); border-bottom: 1px solid rgba(255,255,255,.08);
  text-align: center; position: sticky; top: 0; z-index: 1;
}
.table td {
  padding: .5rem; border-bottom: 1px solid rgba(255,255,255,.04);
  text-align: center; font-size: .865rem; color: var(--ink-2);
}
.table tbody tr { transition: background var(--dur) var(--ease); }
.table tbody tr:nth-child(odd) { background: rgba(255,255,255,.02); }
.table tbody tr:hover { background: rgba(99,102,241,.1); color: var(--ink); }
.fade-mask {
  position: sticky; bottom: 0; height: 28px;
  background: linear-gradient(180deg, transparent, rgba(7,9,15,.95));
  pointer-events: none;
}

/* ===== Modals ===== */
.modal {
  border: none; border-radius: 22px; padding: 0;
  background: #0d1424;
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: var(--shadow-xl), 0 0 80px rgba(99,102,241,.12), inset 0 1px 0 rgba(255,255,255,.08);
  max-width: 560px; width: min(560px, 95vw);
  color: var(--ink);
  animation: modalIn .28s var(--ease);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(18px) scale(.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal::backdrop { background: rgba(0,0,0,.65); backdrop-filter: blur(10px); }
.modal-body { padding: 30px 30px 16px; }
.modal-body h3 { margin: 0 0 1.1rem; font-size: 1.15rem; font-weight: 700; letter-spacing: -.02em; }
.modal-actions {
  display: flex; justify-content: flex-end; gap: 8px;
  margin-top: 18px; padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.07);
}

/* ===== Footer ===== */
.app-footer {
  padding: 16px; text-align: center;
  color: var(--muted); font-size: .8rem;
  border-top: 1px solid rgba(255,255,255,.06);
  background: rgba(7,9,15,.9);
  letter-spacing: .01em;
}

/* ===== Grid spans ===== */
.span-3 { grid-column: 1 / -1; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .grid { grid-template-columns: 1fr; gap: 16px; }
  .span-3 { grid-column: auto; }
}
@media (max-width: 640px) {
  .app-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .header-actions { width: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; gap: 4px; }
  .btn { padding: .4rem .75rem; font-size: .78rem; }
  .welcome-card { padding: 24px 20px 20px; }
  .grid { padding: 14px 12px 28px; }
}